IthaID: 2475

Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: N/A
Common Name: 21.9 kb deletion with 29 bp insertion HGVS Name: NG_000006.1:g.[14373_36299del21927; insGGGAAGGGTGGGTGGGAATAACAGCTTTT]
Hb Name: N/A Protein Info: deletion of 21927 nts from the ζ2 gene to α2 gene AND nts GGGAAGGGTGGGTGGGAATAACAGCTTTT inserted between nts 655 and 656 of ζ2

Also known as: Qinzhou type deletion

We follow the HGVS sequence variant nomenclature and IUPAC standards.

External Links


Hemoglobinopathy Group: Thalassaemia
Hemoglobinopathy Subgroup: α-thalassaemia
Allele Phenotype:α⁺
Associated Phenotypes: N/A


Chromosome: 16
Locus: NG_000006.1
Locus Location: 14373
Size: 21.927 kb
Deletion involves: ζ, α2

Other details

Type of Mutation: Deletion
Ethnic Origin: Chinese
Molecular mechanism: N/A
Inheritance: Recessive
DNA Breakpoint Determined: Yes

In silico pathogenicity prediction

Sequence Viewer

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Publications / Origin

  1. Long J, Yan S, Lao K, Pang W, Ye X, Sun L, The diagnosis and molecular analysis of a novel 21.9kb deletion (Qinzhou type deletion) causing α+ thalassemia., Blood Cells Mol. Dis. , 52(4), 225-9, 2014 PubMed
  2. Long J, Pang W, Sun L, Lao K, Weng X, Ye X, Wu S, Song C, Wei X, Yan S, Diagnosis of a Family with the Novel -α(21.9) Thalassemia Deletion., Hemoglobin , 39(6), 419-22, 2015 PubMed
Created on 2014-06-03 17:23:29, Last reviewed on 2016-08-26 10:59:35 (Show full history)

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